五龙煤矿水文地质特征及水害分析

Analysis of Hydrogeological Characteristics and Water Hazard in Wulong Colliery

为进一步查明五龙煤矿的水文地质条件,对矿区的地层条件、地质构造、井田含(隔)水层、水力性质等方面进行了论述,分析了矿井充水因素、奥灰水突水危险性,预测计算了矿井涌水量。得出:矿井正常涌水量为39.85亦/h,最大涌水量为52.47 m3/h;12#煤层最大突水系数0.0465 MPa/m,15#煤层最大突水系数0.0806 MPa/m,未达到突水危险的临界值0.15 MPa/m,为带压开采加强隐伏导水构造探查和防治水设计提供了依据。

To ascertain the hydrogeological characteristics in Wulong Colliery,the paper probes into the stratigraphic conditions,geological structure,aquifer and aquifuge of mine field and hydraulic properties in the mining area,predicts the water inflow by analysis of the water filling factors and hazard of Ordovician water inrush,and concludes that the normal water inflow in mine is 39.85 m3/h,the maximum 52.47 m3/h,maximum water bursting coefficient 0.0465 MPa/m in No.12 coal seam and 0.0806 MPa/m in No.15 coal seam,not reaching the critical value of 0.15 MPa/m,which provides the basis for the exploration of hidden water flowing structure and water control design in mining with pressure.